10221221102222 has 12 divisors (see below), whose sum is σ = 16601924216880. Its totient is φ = 4717486662408.

The previous prime is 10221221102207. The next prime is 10221221102231. The reversal of 10221221102222 is 22220112212201.

It is a junction number, because it is equal to n+sod(n) for n = 10221221102194 and 10221221102203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15120149222 + ... + 15120149897.

It is an arithmetic number, because the mean of its divisors is an integer number (1383493684740).

Almost surely, 2^{10221221102222} is an apocalyptic number.

10221221102222 is a deficient number, since it is larger than the sum of its proper divisors (6380703114658).

10221221102222 is a wasteful number, since it uses less digits than its factorization.

10221221102222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30240299147 (or 30240299134 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 10221221102222 its reverse (22220112212201), we get a palindrome (32441333314423).

The spelling of 10221221102222 in words is "ten trillion, two hundred twenty-one billion, two hundred twenty-one million, one hundred two thousand, two hundred twenty-two".